Ребят, постоянно эта ошибка отображается
en/javarush/task/jdk13/task04/task0428/Solution.java:13: error: cannot find symbol
int number1 = Integer.parseInt(reader.readLine());
^
symbol: variable reader
package en.javarush.task.jdk13.task04.task0428;
import java.io.BufferedReader;
import java.io.InputStreamReader;
/*
Positive number
*/
public class Solution {
public static void main(String[] args) throws Exception {
BufferedReader Reader = new BufferedReader (new InputStreamReader(System.in));
int number1 = Integer.parseInt(reader.readLine());
int number2 = Integer.parseInt(reader.readLine());
int number3 = Integer.parseInt(reader.readLine());
if (number1 > 0 && number2 > 0 && number3 > 0){
System.out.printIn(3);
} else if (number1 < 0 && number2 < 0 && number3 < 0){
System.out.printIn(0);
} else if (number1 > 0 && number2 > 0 && number3 < 0){
System.out.printIn(2);
} else if (number1 > 0 && number2 < 0 && number3 > 0){
System.out.printIn(2);
} else if (number1 < 0 && number2 > 0 && number3 > 0){
System.out.printIn(2);
} else if (number1 > 0 && number2 < 0 && number3 < 0){
System.out.printIn(1);
} else if (number1 < 0 && number2 > 0 && number3 < 0){
System.out.printIn(1);
} else if (number1 < 0 && number2 < 0 && number3 > 0){
System.out.printIn(1);
}
}
}